ci: temporarily disable Windows CI for PRs #1509

Job	Run time
list	30s
workflow (modules-builder-tests)	1m 56s
workflow (build-unit-tests)	2m 21s
workflow (devkit-core-tests-rerun)	1m 20s
workflow (devkit-core-tests)	1m 27s
workflow (build-cli)	1m 34s
	9m 8s

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